Chevrolet 2011 Suburban 1500, Owner'S Manual

Page: 434 / 538

Black plate (50,1)
Chevrolet Tahoe/Suburban Owner Manual - 2011
10-50 Vehicle Care
Tire Sidewall Labeling
Useful information about a
tire is molded into the sidewall.
The examples show a typical
passenger and light truck tire
sidewall.
Passenger (P ‐ Metric) Tire
(A) Tire Size
:
The tire size
code is a combination of letters
and numbers used to define a
particular tire's width, height,
aspect ratio, construction type,
and service description. See the
“ Tire Size ” illustration later in this
section for more detail.
(B) TPC Spec (Tire
Performance Criteria
Specification)
:
Original
equipment tires designed to
GM's specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet
or exceed all federal safety
guidelines.
(C) DOT (Department
of Transportation)
:
The
Department of Transportation
(DOT) code indicates that
the tire is in compliance
with the U.S. Department
of Transportation Motor
Vehicle Safety Standards.
(D) Tire Identification
Number (TIN)
:
The letters
and numbers following the DOT
code are the Tire Identification
Number (TIN). The TIN shows
the manufacturer and plant
code, tire size, and date the tire
was manufactured. The TIN is
molded onto both sides of the
tire, although only one side may
have the date of manufacture.
(E) Tire Ply Material
:
The type
of cord and number of plies in
the sidewall and under the tread.
(F) Uniform Tire Quality
Grading (UTQG)
:
Tire
manufacturers are required
to grade tires based on
three performance factors:
treadwear, traction, and
temperature resistance.
For more information,
see
Uniform Tire Quality
Grading on page 10 ‑ 68 .